Best year time to visit Cascais

General weather information about Cascais

Average annual temperature is 17.4 °C

Absolute maximum temperature: 37.0 °C

Absolute minimum temperature: 4.9 °C

Number of sunny days: 213 days

Number of rainy days: 152 days

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* Weather data for Cascais Portugal is based on climate observations for 2026 year

Cascais air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.419.323.930.228.632.329.437.033.231.421.319.0
Average daytime temperature (°C)14.815.917.722.623.025.326.028.324.723.518.815.8
Average temperature (°C)11.911.814.217.518.621.021.122.920.520.016.012.7
Average night temperature (°C)9.38.711.313.415.117.517.519.017.317.113.310.1
Absolute minimum temperature (°C)4.95.35.610.812.814.416.216.514.913.78.85.9

Cascais monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.812.013.214.314.814.613.612.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)7.48.88.911.112.412.413.112.010.07.67.26.5
Precipitation (mm)54394224254001601237744
Sunny days171713221618292613121317
Rainy days141118815122517191714
Snow days000000000000

Cascais - weather forecast by months

Cascais weather in januaryCascais weather in februaryCascais weather in marchCascais weather in aprilCascais weather in mayCascais weather in juneCascais weather in julyCascais weather in augustCascais weather in septemberCascais weather in octoberCascais weather in novemberCascais weather in december

Best time to visit Cascais:

The best time to visit Cascais during the most sunny months:

  • May — 12.4(h)
  • June — 12.4(h)
  • July — 13.1(h)

The largest precipitation sum in Cascais is at

  • September — 60(mm)
  • October — 123(mm)
  • November — 77(mm)

    • Weather forecast in the closest to Cascais admin centers

    Weather forecast in the closest towns to Cascais

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    Frequently asked questions

    When is the best time to visit Cascais?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Cascais.
    What is the weather like in Cascais?
    See average temperature, rainfall and daylight hours for Cascais by month in the table above.
    How many sunny days does Cascais have?
    The monthly weather statistics above show sunshine and rainfall patterns for Cascais throughout the year.